Blog - Fin And Flux

Fish-In Cycling: Your Step-by-Step Path to a Healthy Tank with Fish Already Inside

Fish-in cycling guide for aquarium & pet fish tanks: setup, ammonia/nitrite/nitrate tests, water changes, feeding, safety.

Are LEGO bricks safe for fish tanks? This covers materials, leaching, toxins, microplastics, cleaning, and safe decor options.

Step-by-step guide to cleaning, inspecting, maintaining aquarium pumps: frequency, safety, troubleshooting, water quality.

DIY aquarium stand: wood selection, moisture proofing, bracing, leveling, assembly and safety checks for a sturdy fish tank base.

Step-by-step yeast-and-sugar CO2 setup for niche aquariums and fish tanks: parts, dosing, maintenance, safety, troubleshooting.

Identify algae vs cyanobacteria in your tank; distinguish looks, color, growth, test water; remove safely and prevent recurrence.

Step-by-step fin rot treatment for aquarium fish: symptoms, diagnosis, meds, water changes, quarantine, prevention tips.

Acclimate fish after quarantine: match temp/pH, drip or slow-water changes, gradual introduction, feeding, and health checks.

Fix Swim Bladder Disorder in aquarium fish: symptoms, causes, fasting, peas, water quality, diet, tank setup, prevention.

Scam or legit? Compare sellers, verify seeds, germination tips, costs, risks, and care for aquarium plant seeds.